Security Advisory - Three Vulnerabilities in Huawei GaussDB

There is a information leak vulnerability in libevent of Huawei GaussDB. Due to insufficient input validation, a remote attacker could exploit this vulnerability by sending a forged DNS response to an application using libevent. Successful exploit of the vulnerability could lead to reading data out of bounds on the heap, potentially disclosing a small amount of application memory. (Vulnerability ID: HWPSIRT-2017-05012)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-10195.

There is a DoS vulnerability in libevent of Huawei GaussDB. Due to insufficient input validation, a remote attacker could exploit this vulnerability by causing an application using libevent to parse a malformed IPv6 address. Successful exploit of the vulnerability could cause stack overflow and cause a crash. (Vulnerability ID: HWPSIRT-2017-05048)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-10196.

There is an out-of-bounds read vulnerability in libevent of Huawei GaussDB. Due to insufficient input validation, a remote attacker could exploit this vulnerability by causing an application using libevent to attempt resolving an empty hostname. Successful exploit of the vulnerability could cause out-of-bounds read and possibly cause a crash. (Vulnerability ID: HWPSIRT-2017-05049)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-10197.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171025-01-gaussdb-en